filter (B1)

noun, verb

Pronunciation: /ˈfɪltər/

Definition

A device or substance used to remove unwanted substances or particles from a liquid or gas, or to remove unwanted items from a set of data.

Examples

• The water filter needs to be replaced every six months.

• She used a social media filter to hide posts from people she didn't want to see.

• A fine mesh filter is essential for making clear consommé.

How to Use filter

filter out (phrasal verb)

To remove or block unwanted substances or information. — "The system is designed to filter out harmful bacteria."

filter through (phrasal verb)

To pass gradually into or through something. — "Light filtered through the leaves of the trees."

filter for (prepositional phrase)

To search for or select specific items from a larger set. — "You can filter the search results for 'B1' level vocabulary."

Synonyms of filter

Words with a similar meaning to filter:

• strainer
• sieve
• purifier
• clarifier

Antonyms of filter

Words with the opposite meaning to filter:

• contaminant
• impurity

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